... that are phylogenetically distant. For example, neutral
human DNA sequences are approximately 1.2% ... without which evolution cannot proceed. neutral
mutations do not affect the organism's chances ... are not affected by natural selection are called neutral
mutations . Their frequency in the population is ...
2.3 Molecular study of phylogeny
2.4 The neutral
2.5 Infinite alleles model
2.6 ... (or beneficial ) ones tend to accumulate. neutral
mutations do not affect the organism's chances ... sequencing of around 1000 base pairs .
Main article: ...
Neutral theory of molecular evolution
... The neutral
theory of molecular evolution (also, simply the neutral
theory of evolution ) is an influential theory ...
A second assertion or hypothesis of the neutral
theory is that most evolutionary change is the ...
... a long way from the active site then the mutation may be selectively neutral
and subject to genetic drift .
(3) In rare cases the mutation may ... are usually subtle (particularly between allozymes which are often neutral
variants ). This subtlety is to be expected, because two enzymes that ...
... to the left)
The OH group is not a good leaving group for nucleophilic substitution reactions, so neutral
alcohols do not react in such reactions. However if the oxygen is first protonated to give R−OH 2 + , the leaving group ( water ) is much ...
... of the recorded species, with 47,000 plants species and 81,000 animals.
See also : biogeography , Amazonian forest , extinction , Unified neutral
theory of biodiversity .
Is biodiversity threatened?
During the last decades, erosion of biodiversity has been increasingly observed. The ...
... for the character "presence of wings", a homeoplasy would be introduced into the dataset, and it might cause erroneous results.
In practice, neutral
features like exact ultrastructure (a term for extremely fine structure, microscopic or molecular composition of cellular structure) may be used to ...
Ewens's sampling formula
... m is just what the formula above would give if m were put in place of n .
Warren Ewens, "The sampling theory of selectively neutral
alleles", Theoretical Population Biology , volume 3, pages 87—112, 1972.
J.F.C. Kingman, "Random partitions in population genetics", ...
List of extinct animals
The Skeptical Environmentalist
theory of biodiversity
A mathematical model for mass extinction
Species disappearing at an ...